Imagine an engine that not only exhilarates, but can also minimize fuel use and emissions. Accord offers three. A 177-hp, 2.4-liter i-VTEC® 4-cylinder (sedan only) and a 190-hp version, both of which received a Partial Zero-Emissions Vehicle (PZEV) rating.2 A 271-hp, 3.5-liter V-6 is also a model of efficiency.1 The Accord’s V-6 features the latest generation of Variable Cylinder Management™ (VCM®) technology. This system can activate and deactivate the engine’s cylinders as needed to meet the demands of acceleration and maximize fuel efficiency.1 During steady cruising, the Accord’s V-6 shuts down the entire rear bank of cylinders. So the vehicle is essentially running on half an engine – resulting in greater fuel efficiency.1 In this mode, the audio system’s Active Noise Cancellation™ (ANC) function generates out-of-phase sound waves to cancel out any undesirable noise that may be due to the harmonics of 3-cylinder operation. When cruising speeds climb, the engine will move from 3-cylinder operation to a 4-cylinder mode. The first, second, fifth and sixth cylinders – two cylinders in each bank – will be engaged for balanced running. To help keep engine vibration from reaching the cabin in every mode, a pair of active engine mounts automatically adjust their firmness to help absorb energy. When maximum torque is required – such as when you’re merging onto the freeway or climbing a steep hill – all six cylinders are firing to deliver the engine’s full power. The transition between the three operating modes is nearly seamless to the driver and passengers..